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.223/5.56 Ammunition Reloading Supplies

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The most popular rifle cartridge in the United States is the 223 Remington, which for the military is known as the 5.56x45 cartridge (also known as the 5.56 NATO). These two, the 223 and 5.56 share the same outside dimensions, as well as the bullet. Most people think the 22 caliber 223 Remington (and 5.56) use a .223 diameter bullet, but that is not the case, they actually use a .224 diameter bullet. The big difference between these two is the 5.56 rifle has a slightly longer throat (.125"), which allows for an additional grain of powder. If a 5.56 NATO loaded round is placed in a standard 223 rifle, the shorter throat causes the pressure to build to over 65,000 PSI, which is much higher than the rated 223 pressure of 55,000 PSI. The case of the 5.56 may be slightly thicker to allow for the higher pressure. 5.56 military brass has a crimped primer, however the 5.56 civilian brass does not.

Common bullet weights for the .223 bullets are from 40 grain to 90 grain, with the 55 grains being the most common. Obviously, the lighter the bullet, the faster it travels, which makes it ideal for varmint hunting. The heavier the bullet, the greater the need for more accuracy, so a faster twist is needed. Normally a 1:12 twist for a 55 grain bullet is sufficient, however 1:7 is much for a heaver bullet, such as a 70 grain+.

For plinking, the king is the 55 grain Full Metal Jacket (FMJ) bullets, these are the most common bullets on the market, made from everyone from Berry’s, Hornady, Speer, etc. But for hunting and other uses the VMAX bullets from Hornady are a good choice. With Match Kings from Sierra being a great investment too.

Below are our 223 reloading supplies we currently supply, with those in stock shown at the top of the listing. Some such as Berrys and Hornady are bulk 223 bullets for reloading.

 

Product Listings

Berry's 223 FMJ Bullets For Sale

Berrys 223 (.224) 55 Grain Full Metal Jacket Bullets pk/100

BER.PC.224-055-FMJ
Berrys 223 (.224) 55 Grain Full Metal Jacket Bullets pk/100
Berrys 223 (.224) 62 Grain Full Metal Jacket Bullets pk/100

Berrys 223 (.224) 62 Grain Full Metal Jacket Bullets pk/100

BER.PC.224-062-FMJ
Berrys 223 (.224) 62 Grain Full Metal Jacket Bullets pk/100
Berry's 405 .223 REM/5.56 50 Round Flip-top Ammo Box

Berrys 405 .223 REM/5.56 50 Round Flip-top Ammo Box

BER.XX.223-050
Berrys 405 .223 REM/5.56 50 Round Flip-top Ammo Box
Berry's .223 REM/5.56 100 Round Flip Top Ammo Box

Berrys .223 REM/5.56 100 Round Flip Top Ammo Box

BER.XX.223-100
Berrys .223 REM/5.56 100 Round Flip Top Ammo Box
223 Bullets TSX 62 Grain Barnes

223 Bullets TSX 62 Grain Barnes pk/50

BRN.PC.224-062-TSX
223 Bullets TSX 62 Grain Barnes pk/50
Hornady 300 Blackout Case Gauge

Case Gauge 300 Blackout - Hornady

HRN.SG.380714
Case Gauge 300 Blackout - Hornady
Dies Factory Crimp 223 Rem - Lee

Lee Precision Dies Factory Crimp 223 Rem

LEE.DO.90817
Lee Precision Dies Factory Crimp 223 Rem
Die Set 222 Pacesetter - Lee

Lee Precision Dies Set 222 Pacesetter

LEE.DS.90501
Lee Precision Dies Set 222 Pacesetter
Die Set 223 RGB - Lee

Dies Set 223 RGB Lee

LEE.DS.90871
Lee Dies Set 223 RGB
Die Set 308 RGB - Lee

Dies Set 308 RGB Lee

LEE.DS.90879
Lee Dies Set 308 RGB
223 Brass | .223 Brass | US Reloading Supply
10% Off

223 Brass Casings Once Fired Casings - 5.56 Brass Casings - Cleaned pk/100

OFB.BO.223
223 Brass Casings: 5.56mm Brass, 100 per package, once fired
223/5.56 Brass | Bullet Casings | Once Fired | DIRTY

DIRTY 223/5.56 Once Fired Brass Casings Casings 8 lbs

OFB.BO.223-DIRTY
DIRTY 223/5.56 Once Fired Brass Casings 8 lbs
223/5.56 Processed Once Fired Brass Casings - pk/100

223/5.56 Processed Once Fired Brass Casings - pk/100

OFB.BO.223-DSS
Processed Once Fired 223/5.56 Brass Casings, 100 per package
223/5.56 Reloading Once Fired Nickel Plated Bullets

223/5.56 Nickel - Once Fired - Cleaned pk/100

OFB.BO.223-NKL
223/5.56 Nickel - Once Fired - Cleaned Bullet Casings pk/100